Results 251 to 260 of about 1,793,191 (286)

Nonlinear filtering by use of intensity-dependent polarization rotation in birefringent fibers

Optics Letters, 1997
We analyze the transmissivity of a nonlinear filter that is based on intensity-dependent polarization rotation in a birefringent fiber. It is shown that the transmissivity of the element depends not only on the intensity of the incident light but also on the time behavior of its amplitude.
M, Horowitz, Y, Silberberg
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Fiber laser mode locked by a Sagnac interferometer with nonlinear polarization rotation

Optics Letters, 2001
We describe a new fiber laser configuration based on a nonlinear optical loop mirror with a symmetrical coupler, a quarter-wave retarder, and highly twisted, birefringent fiber in the loop. The nonlinear optical loop mirror configuration operates by nonlinear polarization rotation.
E A, Kuzin, B, Ibarra Escamilla, D E, Garcia-Gomez, J W, Haus   +3 more
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Photonic-assisted microwave frequency multiplier based on nonlinear polarization rotation

Optics Letters, 2014
A photonic-assisted microwave frequency multiplier (MFM) based on the Kerr shutter is proposed and demonstrated. In this MFM, the nonlinear polarization rotation in the high nonlinear optical fiber is used for the first time to implement the light-controlled optical-carrier-suppressed modulation.
Jianyu, Zheng, Hui, Wang, Wei, Li, Lixian, Wang, Ting, Su, Jianguo, Liu, Ninghua, Zhu   +6 more
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Polarization rotation in nonlinear bimodal optical fibers

Journal of Lightwave Technology, 1989
The current interest in lightwave polarization developement and nonlinear optics has centred on birefringent single-mode fibers [1]. We consider circular core fibers supporting second order modes. In the linear case a natural polarization rotation phenomenon occurs [2] and we describe its development as nonlinear effects become important.
Stephen J. Garth, Colin Pask
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Soliton polarization dynamics in fiber lasers passively mode-locked by the nonlinear polarization rotation technique

Physical Review E, 2006
By numerically solving the coupled laser Ginzburg-Landau equations and using the pulse tracing technique to incorporate the cavity effect in the simulation, we have explicitly calculated the soliton polarization ellipses throughout the cavity of a fiber-ring laser mode-locked by the nonlinear polarization rotation technique, and investigated the ...
J, Wu, D Y, Tang, L M, Zhao, C C, Chan
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Analysis of the Influences of Polarization-dependent Nonlinear Gain and Nonlinear Polarization Rotation on Optical Sampling in Semiconductor Optical Amplifier

2006 Asian Optical Fiber Communication & Optoelectronic Exposition & Conference, 2006
A new theoretical model is presented to describe polarization-dependent nonlinear gain in semiconductor optical amplifiers (SOAs) on subpicosecond timescales. Based on this model, the influences of nonlinear polarization rotation (NPR) on pulsed four-wave mixing (FWM) in SOA used for optical sampling are discussed.
Maotong Liu, Aiying Yang, Yu-nan Sun
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Optically controlled microwave phase shifter based on nonlinear polarization rotation in a highly nonlinear fiber

Optics Letters, 2014
This Letter reports an optically controlled microwave phase shifter with an ultra-wideband working bandwidth and a full 360° phase shifting range based on nonlinear polarization rotation (NPR) in a highly nonlinear fiber (HNLF). A continuous wave probe light is modulated by a polarization modulator (PolM) that is driven by a microwave signal to be ...
Wei, Li, Wen Hui, Sun, Wen Ting, Wang, Ning Hua, Zhu   +3 more
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Nonlinear rotation of the polarization of the intense femtosecond laser radiation in BaF2

Bulletin of the Russian Academy of Sciences: Physics, 2007
The dependence of the polarization plane rotation angle in the BaF2 crystal on the intensity of the femtosecond laser radiation with 0.62 μm wavelength in the ω = ω + ω − ω process on cubical nonlinearity χ(3) is investigated. An anomalous increase in the efficiency of the cross-polarized radiation generation at I > 2 × 1012 W cm2 is observed for the ...
V. M. Gordienko, P. M. Mikheev, V. S. Syrtsov   +2 more
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Mode-locking by nonlinear polarization rotation in a semiconductor optical amplifier

EQEC '05. European Quantum Electronics Conference, 2005., 2006
This paper numerically investigates a passive mode-locking system based on nonlinear polarization rotation in a semiconductor optical amplifier (SOA). The principle of polarization-dependent gain saturation induced by the high-intensity part of the optical pulse in a SOA makes it possible to reshape the pulse in such a way that the low-intensity part ...
Li, Z., Yang, X., Tangdiongga, E., Ju, H., Khoe, G.D., Dorren, H.J.S., Lenstra, D.   +6 more
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Research on optical sampling based on SOA's nonlinear polarization rotation

2016 Progress in Electromagnetic Research Symposium (PIERS), 2016
In this paper, we propose and demonstrate an optical sampling scheme based on nonlinear polarization rotation (NPR) effect of semiconductor optical amplifier (SOA), the sampled signal is a pulse with 20 GHz repetition rate and 420 fs pulse width generated by a mode-locked fiber ring laser constituted by SOA and electro-absorption modulator (EAM).
null Chen Wu, null Yongjun Wang, null Mingxiao Zhang, null Shuai Wang, null Yichuan Geng   +4 more
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